US2555185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of organic compounds from aqueous carbon oxide hydrogenation product
Assignee: Phillips Petroleum Co
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Filing: 1949-12-19
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Granted: 1951-05-29
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Expires: 1969-12-19
Abstract
No abstract record available.
Inventors
- 👤 John S Cromeans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:32
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE PROCESS FOR RECOVERING OXYGENATED ORGANIC COMPOUNDS FROM AN AQUEOUS PHASE RESULTING FROM THE CATALYTIC HYDROGENATION OF A CARBON OXIDE WHICH COMPRISES INTRODUCING SAID AQUEOUS PHASE TO A FRACTIONAL DISTILLATION ZONE AT A POINT INTERMEDIATE THE TOP AND BOTTOM OF SAID ZONE, FRACTIONALLY DISTILLING SAID AQUEOUS PHASE IN SAID ZONE IN A MANNER THAT ALDEHYDES AND NO ACIDS FROM SAID AQUEOUS PHASE APPEAR IN THE OVERHEAD FROM SAID FRACTIONAL DISTILLATION, AND INTRODUCING SUFFICIENT ALKALINE MATERIAL TO SAID FRACTIONAL DISTILLATION ZONE TO NEUTRALIZE ALL THE ACIDS FROM SAID AQUEOUS PHASE AT A POINT SUFFICIENTLYI BELOW THE POINT OF INTRODUCTION OF SAID AQUEOUS PHASE THAT NO ALDEHYDES ARE IN CONTACT WITH SAID ALKALINE MATERIAL.
Claim 2
Dependent Claim
112 words
THE PROCESS FOR RECOVERING OXYGENATED ORGANIC COMPOUNDS FROM AN AQUEOUS PHASE RESULTING FROM THE CATALYTIC HYDROGENATION OF A CARBON OXIDE WHICH COMPRISES INTRODUCING SAID AQUEOUS PHASE TO A FRACTIONAL DISTILLATION ZONE AT A POINT INTERMEDIATE THE TOP AND BOTTOM OF SAID ZONE, FRACTIONALLY DISTILLING SAID AQUEOUS PHASE IN SAID ZONE IN A MANNER THAT ALDEHYDES AND NO ACIDS FROM SAID AQUEOUS PHASE APPEAR IN THE OVERHEAD FROM SAID FRACTIONAL DISTILLATION, AND INTRODUCING SUFFICIENT ALKALINE MATERIAL TO SAID FRACTIONAL DISTILLATION ZONE TO NEUTRALIZE ALL THE ACIDS FROM SAID AQUEOUS PHASE AT A POINT SUFFICIENTLYI BELOW THE POINT OF INTRODUCTION OF SAID AQUEOUS PHASE THAT NO ALDEHYDES ARE IN CONTACT WITH SAID ALKALINE MATERIAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |